'I don't advise you to test our patience further': Russia issues stark warning to West

Floundering Putin gives fish to families of army recruits

President Vladimir Putin issues new nuclear warnings to West over Ukraine

Russia could plan 'dirty bomb' pretext, Western countries say

Russia issues new nuclear warning as contested Ukraine referendum ends

Russia Security Council's Dmitry Medvedev warns it could defend annexed Ukrainian regions with nuclear weapons

Russia withdraws troops from Lyman as Ukraine's eastern counteroffensive gains ground

Russian nuclear threats 'hopefully not as disturbing as some people giving it credit for', US expert says

Russian troops forced out of eastern town Lyman, Vladimir Putin ally suggests nuclear response

The Detail: Do we really need to prepare for nuclear war?

Top Kremlin official threatens nuclear war if Ukraine joins NATO

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UN chief warns world is one step from 'nuclear annihilation'

US, allies shrug off Russian nuclear war warning, promise heavy arms for Ukraine

Vladimir Putin ally Dmitry Medvedev warns NATO of nuclear war if Russia is defeated in Ukraine

Vladimir Putin plays annexation card, pushing war into dangerous new phase

Why Vladimir Putin would be a fool to go nuclear in Ukraine

Will President Vladimir Putin pull the nuclear trigger?